He faced five counts of distributing child pornography, two counts of receipt of child pornography and one count of possession of child pornography, according to federal indictment. Feds said ...

... investigators retrieved more than 150 incriminating images from his computer.

At one point Abrams blamed a spinal tumor for his crimes. City News Service says the 64-year-old ...

... acknowledged collecting more than 600 images of child pornography over the course of more than 10 years, including images of children involved in "sadistic or masochistic'' activity.

When the allegations surfaced last year, Abrams quit as head of the Board of Neighborhood Commissioners.

[Added at 4 p.m.]: As part of a plea deal Abrams had pleaded guilty to one count of felony distribution of child porn, according to CNS.

He told the judge today that he's ...

... truly sorry ... I never intended to harm anyone.

[Added at 4:14 p.m.]: Here's some background that was just sent out by the U.S. Attorney's Office in L.A:

The case against Abrams resulted from an investigating into the sharing of child pornography on a peer-to-peer network. Following a search of Abrams' residence in 2011, federal agents reviewed files on a computer and two external hard drives and determined there were more than 3,500 pictures and over 4,200 videos of suspected child pornography, according to a sentencing memorandum filed by prosecutors. Investigators also determined that the computer equipment had more than 3,000 deleted pictures of child pornography and over 4,000 deleted movie files that had names suggesting child pornography.

Prosecutors said in court papers that Abrams had been collecting child pornography for over a decade and that "he also downloaded the 'Hunter's Guide to Finding Child Lovers,' which is a 170-page document giving pedophiles advice on how to find and have sexual contact with children."

Nearly two dozen victims depicted in the child pornography found in Abrams' residence submitted impact statements to the court ...